/* Statistics Game - Common Styles */
/* File Structure:
   ├── common.css - here (shared styles)
   ├── common.js (shared functions)
   ├── index.html
   ├── absolute.html
   ├── join.html
   ├── play.html
   ├── statistics.js
   └── abs-gen-game.js
*/

:root {
    --blue: #84affb;
    --pink: #ffe1d7;
    --dark-blue: #0259dd;
    --orange: #ff6648;
    --white: #ffffff;
    --gray: #f5f5f5;
    --dark-gray: #333333;
    --shadow: rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, var(--blue) 0%, var(--pink) 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: var(--dark-gray);
    overflow-x: hidden;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    justify-content: center;
}

.game-header {
    text-align: center;
    margin-bottom: 40px;
    animation: fadeInDown 0.8s ease-out;
}

.game-title {
    font-size: 3.5rem;
    font-weight: bold;
    color: var(--dark-blue);
    text-shadow: 2px 2px 4px var(--shadow);
    margin-bottom: 10px;
}

.game-subtitle {
    font-size: 1.2rem;
    color: var(--dark-blue);
    opacity: 0.8;
}

.card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px var(--shadow);
    width: 100%;
    max-width: 500px;
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--blue), var(--orange));
}

.btn {
    background: var(--dark-blue);
    color: var(--white);
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 10px;
    min-width: 120px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.btn:hover {
    background: var(--orange);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow);
}

.btn:active {
    transform: scale(0.95);
}

.btn-primary {
    background: var(--dark-blue);
}

.btn-secondary {
    background: var(--blue);
}

.btn-orange {
    background: var(--orange);
}

.btn-large {
    padding: 20px 40px;
    font-size: 1.3rem;
    margin: 15px;
}

.mode-selector {
    display: flex;
    gap: 20px;
    margin: 30px 0;
    flex-wrap: wrap;
    justify-content: center;
}

.mode-card {
    background: var(--gray);
    border-radius: 15px;
    padding: 30px 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 3px solid transparent;
    min-width: 200px;
    animation: pulse 2s infinite;
}

.mode-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px var(--shadow);
    border-color: var(--blue);
}

.mode-card.selected {
    background: var(--blue);
    color: var(--white);
    border-color: var(--dark-blue);
}

.mode-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 10px;
}

.mode-description {
    font-size: 0.9rem;
    opacity: 0.8;
}

.code-display {
    background: var(--pink);
    border-radius: 15px;
    padding: 20px;
    margin: 20px 0;
    font-size: 2rem;
    font-weight: bold;
    color: var(--dark-blue);
    letter-spacing: 8px;
    text-align: center;
    font-family: 'Courier New', monospace;
    border: 2px solid var(--orange);
}

.code-input {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin: 30px 0;
}

.code-letter {
    width: 60px;
    height: 60px;
    border: 2px solid var(--blue);
    border-radius: 10px;
    text-align: center;
    font-size: 2rem;
    font-weight: bold;
    color: var(--dark-blue);
    background: var(--white);
    transition: all 0.3s ease;
}

.code-letter:focus {
    outline: none;
    border-color: var(--orange);
    box-shadow: 0 0 10px rgba(255, 102, 72, 0.3);
    transform: scale(1.1);
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background: var(--white);
    border-radius: 20px;
    padding: 30px;
    max-width: 400px;
    text-align: center;
    animation: slideIn 0.3s ease-out;
}

.modal-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 20px;
}

.question-container {
    background: var(--white);
    border-radius: 15px;
    padding: 30px;
    margin: 20px 0;
    box-shadow: 0 5px 15px var(--shadow);
}

.question-text {
    font-size: 1.4rem;
    font-weight: bold;
    color: var(--dark-blue);
    margin-bottom: 15px;
    line-height: 1.4;
}

.question-source {
    font-size: 0.9rem;
    color: var(--blue);
    font-style: italic;
    margin-bottom: 10px;
}

.round-indicator {
    background: var(--orange);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: bold;
    margin-bottom: 20px;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .game-title {
        font-size: 2.5rem;
    }
    
    .card {
        padding: 30px 20px;
    }
    
    .mode-selector {
        flex-direction: column;
        align-items: center;
    }
    
    .mode-card {
        width: 100%;
        max-width: 300px;
    }
    
    .btn-large {
        padding: 15px 30px;
        font-size: 1.1rem;
    }
}

.modal-body {
    margin: 1rem 0;
}

.final-results {
    text-align: left;
    margin: 1rem 0;
    padding: 1rem;
    background: #f5f5f5;
    border-radius: 5px;
}

@keyframes floatStat {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.1;
    }
    25% {
        transform: translateY(-40px) rotate(10deg);
        opacity: 0.2;
    }
    50% {
        transform: translateY(0px) rotate(-10deg);
        opacity: 0.15;
    }
    75% {
        transform: translateY(-20px) rotate(5deg);
        opacity: 0.1;
    }
}

@keyframes scaleIn {
    from { 
        transform: scale(0.9); 
        opacity: 0; 
    }
    to { 
        transform: scale(1); 
        opacity: 1; 
    }
}

.modal-overlay.show { 
    opacity: 1; 
}

.modal-overlay.show .modal-content { 
    transform: scale(1); 
}

/* 입력 필드 상태 */
.code-letter.filled {
    background: var(--pink);
    border-color: var(--orange);
}

.code-letter.success {
    background: var(--blue);
    color: var(--white);
    transform: scale(1.1);
}

.code-letter.error {
    background: #ffebee;
    border-color: #f44336;
    animation: shake 0.5s ease-in-out;
}

/* 떠다니는 코드 애니메이션 */
@keyframes floatCode {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.05;
    }
    25% {
        transform: translateY(-30px) rotate(5deg);
        opacity: 0.1;
    }
    50% {
        transform: translateY(0px) rotate(-5deg);
        opacity: 0.08;
    }
    75% {
        transform: translateY(-20px) rotate(3deg);
        opacity: 0.06;
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    50% { transform: translateX(5px); }
    75% { transform: translateX(-5px); }
}

/* 로딩 모달 스타일 */
#loadingModal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

#loadingModal .modal-content {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    animation: pulse 1.5s infinite;
}